"We all know Mark as being the toughest guy around on the guests," Cramer said. "He was the standard.

"He was our Huntley, Brinkley, Cronkite and Mike Wallace all in one. Never took himself too seriously, but took our viewers’ money incredibly seriously and never let anyone get away with anything. He used to say to me, 'NO FREE PASSES.'

"What you didn’t know is that off camera he was the first to ask you about your kids. We talked kids until the moment he said, 'Live from the financial capital of the world.'